CN112196862A - Thread guide sleeve structure suitable for hydraulic oil cylinder - Google Patents
Thread guide sleeve structure suitable for hydraulic oil cylinder Download PDFInfo
- Publication number
- CN112196862A CN112196862A CN202011266546.3A CN202011266546A CN112196862A CN 112196862 A CN112196862 A CN 112196862A CN 202011266546 A CN202011266546 A CN 202011266546A CN 112196862 A CN112196862 A CN 112196862A
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- Prior art keywords
- guide sleeve
- cylinder
- thread
- sleeve
- hydraulic oil
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1471—Guiding means other than in the end cap
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
Abstract
The invention discloses a thread guide sleeve structure suitable for a hydraulic oil cylinder, and relates to the technical field of guide sleeves. Including uide bushing, seal cover and cylinder, one side of uide bushing is provided with the seal cover that is used for connecting sealed cylinder, and the inside screw thread of uide bushing and seal cover is provided with the cylinder, and the inside one side that is close to the seal cover of uide bushing is provided with fixed cover, and fixed cover's inside is seted up flutedly one, and recess two is seted up to the inside of recess one, and the inside of recess two is provided with adjusting spring, and one side of adjusting spring is provided with the joint piece, and one side activity of joint piece is provided. This hydraulic cylinder's screw thread uide bushing structure suitable for through setting up fixed cover, on the cylinder produced great impact torque and transmits the joint piece in the use, the adjusting spring of its one side of cooperation can carry out better buffering, and then does benefit to and cushions the protection to the cylinder, and then reaches and does benefit to the purpose that buffering protection, reducing wear and tear and avoid hydraulic oil to leak.
Description
Technical Field
The invention relates to the technical field of guide sleeves, in particular to a threaded guide sleeve structure suitable for a hydraulic oil cylinder.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion (or swinging motion), has simple structure and reliable work, can omit a speed reducer when realizing reciprocating motion, has no transmission clearance and moves stably, thereby being widely applied to various mechanical hydraulic systems, and the output force of the hydraulic cylinder is in direct proportion to the effective area of a piston and the pressure difference between the two sides of the piston; the hydraulic cylinder basically comprises a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device, wherein the buffering device and the exhaust device are determined according to specific application occasions, and other devices are indispensable.
The hydraulic cylinder is an actuating element in a hydraulic transmission system and is an energy conversion device for converting hydraulic energy into mechanical energy, a hydraulic motor realizes continuous rotary motion, and the hydraulic cylinder realizes reciprocating motion. The hydraulic cylinder has three types of structural styles, namely a piston cylinder, a plunger cylinder and a swing cylinder, the piston cylinder and the plunger cylinder realize reciprocating linear motion, output speed and thrust, the swing cylinder realizes reciprocating swing and outputs angular velocity (rotating speed) and torque, the hydraulic cylinder can be used singly, and can be combined together with two or more cylinders or other mechanisms to finish special functions, the hydraulic cylinder has a simple structure and reliable work, the hydraulic cylinder is an industrial automation device which is widely applied, the types and the types of the hydraulic cylinder are many, the structure of the hydraulic cylinder is that a guide sleeve is arranged in the cylinder, then a piston and a piston rod assembly are arranged in the guide sleeve, the cylinder diameter of the cylinder corresponding to the large hydraulic cylinder is very large, the existing threaded guide sleeve is an integral body, the threaded guide sleeve has high processing difficulty and poor sealing performance, and along with the increase of the cylinder diameter, the threaded guide sleeve is more and more difficult to assemble, unilateral abrasion is easily caused by the guide sleeve under the action of transverse load and dead weight of a piston rod, the sealing performance of the hydraulic oil cylinder is greatly reduced, and even the hydraulic oil leakage is caused.
Disclosure of Invention
The invention provides a thread guide sleeve structure of a hydraulic oil cylinder, which has the advantages of good sealing performance, contribution to buffer protection, reduction of abrasion and avoidance of hydraulic oil leakage and solves the problem of common use effect of the thread guide sleeve structure of the traditional hydraulic oil cylinder.
In order to realize the purposes of good sealing performance, being beneficial to buffer protection, reducing abrasion and avoiding leakage of hydraulic oil, the invention provides the following technical scheme: the utility model provides a hydraulic cylinder's screw thread uide bushing structure suitable for, includes uide bushing, seal cover and cylinder, one side of uide bushing is provided with the seal cover that is used for connecting sealed cylinder, the inside screw thread of uide bushing and seal cover is provided with the cylinder, one side that the inside of uide bushing is close to the seal cover is provided with fixed cover, recess one is seted up to the inside of fixed cover, recess two is seted up to the inside of recess one, the inside of recess two is provided with adjusting spring, one side of adjusting spring is provided with the joint piece, one side activity of joint piece is provided with the cylinder, be provided with the thread bush between cylinder and the seal cover, the inboard of thread bush is provided with sealed the pad, the sealed one side of keeping.
As a preferable technical scheme of the invention, the surface of the cylinder barrel is provided with a thread groove, and the guide sleeve and the sealing sleeve are internally provided with threads matched with the thread groove.
As a preferable technical scheme of the invention, the guide sleeve is internally provided with a mounting part for placing and mounting the fixing sleeve, the fixing sleeve is positioned in the mounting groove, and the fixing sleeve is connected with the guide sleeve through a first fastening screw.
As a preferable technical scheme of the invention, the surface of the guide sleeve is provided with an anti-slip groove, and the anti-slip groove is annularly arranged on the surface of the guide sleeve.
As a preferable technical scheme of the invention, the sealing gasket is positioned between the threaded sleeve and the cylinder barrel, and the sealing gasket is a rubber sealing gasket.
As a preferable technical scheme of the invention, the sealing sleeve is connected with the fixed sleeve in the guide sleeve through a fastening screw II.
As a preferable technical scheme of the invention, a buffer ring is arranged in the guide sleeve, a guide ring is arranged in the buffer ring, and a cylinder barrel is connected to the inner side of the guide ring in a threaded manner.
As a preferred technical solution of the present invention, a buffer spring and a protrusion are disposed between the buffer ring and the guide ring, the protrusion is made of rubber, and the buffer spring and the protrusion are annularly disposed on the outer side of the guide ring.
As a preferred technical scheme of the invention, three equal included angles are arranged between the clamping blocks and the adjusting spring.
Compared with the prior art, the invention provides a thread guide sleeve structure of a hydraulic oil cylinder, which has the following beneficial effects:
1. this hydraulic cylinder's screw thread uide bushing structure suitable for, through setting up fixed cover, the cylinder produces great impact torque in the use and transmits to the joint piece, the adjusting spring of its one side of cooperation can carry out better buffering, and then do benefit to and cushion the protection to the cylinder, contained angle such as adjusting spring is provided with threely, single adjusting spring's holding capacity has been reduced, adjusting spring's life has been improved, and then reach and do benefit to the buffer protection, reducing wear and tear and avoid the purpose that hydraulic oil leaked.
2. This hydraulic cylinder's screw thread uide bushing structure suitable for, the sealed pad setting of rubber material does benefit to the leakproofness of being connected between increase thread bush and the cylinder, and then reaches the better purpose of leakproofness.
3. This hydraulic cylinder's screw thread uide bushing structure suitable for, threaded connection between guide ring and the cylinder, buffer spring and buffering ring interconnect are passed through to the guide ring outside for the guide ring has better buffering effect, cooperates its rubber material's lug, further reaches the effect of buffer protection.
4. This hydraulic cylinder's screw thread uide bushing structure suitable for, simple structure, the leakproofness is good, have better buffering guard action to the cylinder, do benefit to reducing wear, can avoid hydraulic oil to leak.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a thread guide sleeve structure of a hydraulic oil cylinder suitable for the invention;
FIG. 2 is a sectional view of a threaded guide sleeve structure for a hydraulic cylinder according to the present invention;
FIG. 3 is an enlarged view of part A of FIG. 2 illustrating a threaded guide sleeve structure of a hydraulic cylinder according to the present invention;
FIG. 4 is a schematic view of a buffer ring structure of a thread guide sleeve structure of a hydraulic oil cylinder according to the present invention;
fig. 5 is a schematic structural view of a fixing sleeve of a thread guide sleeve structure of a hydraulic oil cylinder.
In the figure: 1. a guide sleeve; 11. fastening a first screw; 12. an anti-slip groove; 13. a buffer ring; 14. a guide ring; 15. a buffer spring; 16. a bump; 17. fixing a sleeve; 171. a first groove; 172. a second groove; 173. adjusting the spring; 174. a clamping block; 2. sealing sleeves; 21. a second fastening screw; 22. a threaded sleeve; 23. a gasket; 3. a cylinder barrel; 31. a thread groove.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-5, the invention discloses a thread guide sleeve structure suitable for a hydraulic cylinder, which comprises a guide sleeve 1, a seal sleeve 2 and a cylinder barrel 3, wherein the seal sleeve 2 used for connecting the seal cylinder barrel 3 is arranged on one side of the guide sleeve 1, the cylinder barrel 3 is arranged on the inner threads of the guide sleeve 1 and the seal sleeve 2, a fixed sleeve 17 is arranged on one side of the inner part of the guide sleeve 1, which is close to the seal sleeve 2, the seal sleeve 2 is connected with the fixed sleeve 17 in the guide sleeve 1 through a fastening screw II 21, a groove I171 is arranged in the fixed sleeve 17, a groove II 172 is arranged in the groove I171, an adjusting spring 173 is arranged in the groove II 172, a clamping block 174 is arranged on one side of the adjusting spring 173, the cylinder barrel 3 is movably arranged on one side of the clamping block 174, and a thread sleeve 22 is arranged between the cylinder barrel, the inboard of thread bush 22 is provided with sealed pad 23, the one side that the thread bush 22 was kept away from to sealed pad 23 is provided with sealed pad 23, and on cylinder 3 produced great impact torque and transmitted joint piece 174 in the use, the adjusting spring 173 of its one side of cooperation can carry out better buffering, and then does benefit to and carry out buffer protection to cylinder 3, and then reaches and does benefit to buffer protection, reducing wear and tear and avoid the purpose that hydraulic oil leaked.
Specifically, thread groove 31 has been seted up on the surface of cylinder 3, the inside of uide bushing 1 and seal cover 2 is provided with the screw thread with thread groove 31 looks adaptation, and cylinder 3 carries out threaded connection through the thread groove 31 that its surface was seted up with uide bushing 1 and seal cover 2, simple structure, and the connection effect is better.
Specifically, the installation that is used for placing the fixed cover 17 of installation is offered to the inside of uide bushing 1, and fixed cover 17 is located the inside of mounting groove, fixed cover 17 is connected with uide bushing 1 through fastening screw 11, utilizes fastening screw 11 to be connected fixed cover 17 and uide bushing 1 for fixed cover 17 can be installed and dismantled, is convenient for in time install and dismantle fixed cover 17, and then has improved the result of use.
Specifically, the surface of the guide sleeve 1 is provided with anti-slip grooves 12, the anti-slip grooves 12 are annularly arranged on the surface of the guide sleeve 1, and the arrangement of the anti-slip grooves 12 is beneficial to playing a better anti-slip effect when in use.
Specifically, sealing gasket 23 is located between thread bush 22 and cylinder 3, and sealing gasket 23 adopts the rubber seal pad, and the setting of rubber's sealing gasket 23 does benefit to the leakproofness of being connected between increase thread bush 22 and the cylinder 3.
Specifically, the inside of uide bushing 1 is provided with buffering ring 13, the inside of buffering ring 13 is provided with guide ring 14, the inboard threaded connection of guide ring 14 has cylinder 3, be provided with buffer spring 15 and lug 16 between buffering ring 13 and the guide ring 14, lug 16 is the rubber material, buffer spring 15 and lug 16 are the outside that the annular set up guide ring 14, and threaded connection between guide ring 14 and the cylinder 3, buffer spring 15 and buffer ring 13 interconnect are passed through in the guide ring 14 outside for guide ring 14 has better buffering effect, cooperates its rubber material's lug 16, further reaches the effect of buffering protection.
Specifically, the joint block 174 is provided with threely with the impartial contained angle of adjusting spring 173, and on cylinder 3 produced great impact torque and transmitted joint block 174 in the use, the adjusting spring 173 of cooperation its one side can carry out better buffering, and then does benefit to and cushion protection to cylinder 3, and contained angles such as adjusting spring 173 are provided with threely, have reduced single adjusting spring 173's holding capacity, have improved adjusting spring 173's life.
To sum up, this hydraulic cylinder's that is applicable to screw thread uide bushing structure, through setting up fixed cover 17, cylinder 3 produces great impact torque in the use and transmits to joint piece 174 on, the adjusting spring 173 of its one side of cooperation can carry out better buffering, and then do benefit to and cushion protection to cylinder 3, the sealed pad 23 setting of rubber material does benefit to the leakproofness of being connected between increase thread bush 22 and the cylinder 3, and then reach the better purpose of leakproofness, threaded connection between guide ring 14 and the cylinder 3, buffer spring 15 and buffer ring 13 interconnect are passed through to the guide ring 14 outside, make guide ring 14 have better buffering effect, cooperate the lug 16 of its rubber material, further reach the effect of buffer protection, and then reach and do benefit to buffer protection, reduce wearing and tearing and avoid the purpose that hydraulic oil leaked.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a screw thread uide bushing structure suitable for hydraulic cylinder, includes uide bushing (1), seal cover (2) and cylinder (3), its characterized in that: one side of the guide sleeve (1) is provided with a sealing sleeve (2) used for connecting a sealing cylinder barrel (3), the inner threads of the guide sleeve (1) and the sealing sleeve (2) are provided with a cylinder barrel (3), a fixed sleeve (17) is arranged on one side of the interior of the guide sleeve (1) close to the sealing sleeve (2), a first groove (171) is formed in the fixed sleeve (17), a second groove (172) is formed in the first groove (171), an adjusting spring (173) is arranged in the second groove (172), a clamping block (174) is arranged on one side of the adjusting spring (173), a cylinder barrel (3) is movably arranged at one side of the clamping block (174), a thread bush (22) is arranged between the cylinder barrel (3) and the sealing sleeve (2), the inboard of thread bush (22) is provided with sealed pad (23), the one side that thread bush (22) was kept away from in sealed pad (23) is provided with sealed pad (23).
2. A thread guide sleeve structure suitable for a hydraulic oil cylinder according to claim 1, wherein: the surface of the cylinder barrel (3) is provided with a thread groove (31), and threads matched with the thread groove (31) are arranged in the guide sleeve (1) and the sealing sleeve (2).
3. A thread guide sleeve structure suitable for a hydraulic oil cylinder according to claim 1, wherein: the installation that is used for placing fixed cover (17) of installation is seted up to the inside of uide bushing (1), and fixed cover (17) are located the inside of mounting groove, fixed cover (17) are connected with uide bushing (1) through fastening screw (11).
4. A thread guide sleeve structure suitable for a hydraulic oil cylinder according to claim 1, wherein: the surface of the guide sleeve (1) is provided with an anti-skidding groove (12), and the anti-skidding groove (12) is annularly arranged on the surface of the guide sleeve (1).
5. A thread guide sleeve structure suitable for a hydraulic oil cylinder according to claim 1, wherein: the sealing gasket (23) is positioned between the threaded sleeve (22) and the cylinder barrel (3), and the sealing gasket (23) is a rubber sealing gasket.
6. A thread guide sleeve structure suitable for a hydraulic oil cylinder according to claim 1, wherein: the sealing sleeve (2) is connected with a fixed sleeve (17) in the guide sleeve (1) through a fastening screw II (21).
7. A thread guide sleeve structure suitable for a hydraulic oil cylinder according to claim 1, wherein: the guide sleeve is characterized in that a buffer ring (13) is arranged inside the guide sleeve (1), a guide ring (14) is arranged inside the buffer ring (13), and a cylinder barrel (3) is connected to the inner side of the guide ring (14) in a threaded mode.
8. A thread guide sleeve structure suitable for a hydraulic oil cylinder according to claim 7, wherein: be provided with buffer spring (15) and lug (16) between buffer ring (13) and direction circle (14), lug (16) are the rubber material, buffer spring (15) and lug (16) are the outside that the annular set up direction circle (14).
9. A thread guide sleeve structure suitable for a hydraulic oil cylinder according to claim 1, wherein: the clamping blocks (174) and the adjusting spring (173) are arranged in three equal included angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266546.3A CN112196862A (en) | 2020-11-13 | 2020-11-13 | Thread guide sleeve structure suitable for hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266546.3A CN112196862A (en) | 2020-11-13 | 2020-11-13 | Thread guide sleeve structure suitable for hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112196862A true CN112196862A (en) | 2021-01-08 |
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ID=74034318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011266546.3A Pending CN112196862A (en) | 2020-11-13 | 2020-11-13 | Thread guide sleeve structure suitable for hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112196862A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005256969A (en) * | 2004-03-12 | 2005-09-22 | Kayaba Ind Co Ltd | Hydraulic shock absorber |
| CN201836253U (en) * | 2010-11-12 | 2011-05-18 | 张意立 | High-torsion coupler with buffer |
| CN202579433U (en) * | 2012-05-10 | 2012-12-05 | 三一重工股份有限公司 | Piston oil cylinder and engineering machinery |
| CN105952707A (en) * | 2016-06-30 | 2016-09-21 | 东南大学 | Integrated servo hydraulic oscillating cylinder with multiple-sealing effect |
| CN205779992U (en) * | 2016-05-31 | 2016-12-07 | 常州市顺景油缸有限公司 | Novel swing servo hydraulic cylinder |
| CN207830271U (en) * | 2018-01-23 | 2018-09-07 | 常德迪格机械制造有限公司 | A kind of noise-reduction type hydraulic cylinder assembly with shock-absorbing function |
| CN207921011U (en) * | 2018-01-19 | 2018-09-28 | 东莞市新鹏自动化科技有限公司 | A kind of floating type unidirectional double-rod cylinder |
| CN207935441U (en) * | 2018-01-30 | 2018-10-02 | 河南雅利安新材料有限公司 | A kind of light-duty water process mechanical sealing device of silicon carbide |
| CN109057982A (en) * | 2018-10-08 | 2018-12-21 | 扬州海峰机械有限公司 | A kind of gasoline engine cylinder sleeve of good airproof performance |
| CN110410382A (en) * | 2019-07-22 | 2019-11-05 | 徐州永佳液压设备有限公司 | A kind of hydraulic cylinder with damping performance |
-
2020
- 2020-11-13 CN CN202011266546.3A patent/CN112196862A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005256969A (en) * | 2004-03-12 | 2005-09-22 | Kayaba Ind Co Ltd | Hydraulic shock absorber |
| CN201836253U (en) * | 2010-11-12 | 2011-05-18 | 张意立 | High-torsion coupler with buffer |
| CN202579433U (en) * | 2012-05-10 | 2012-12-05 | 三一重工股份有限公司 | Piston oil cylinder and engineering machinery |
| CN205779992U (en) * | 2016-05-31 | 2016-12-07 | 常州市顺景油缸有限公司 | Novel swing servo hydraulic cylinder |
| CN105952707A (en) * | 2016-06-30 | 2016-09-21 | 东南大学 | Integrated servo hydraulic oscillating cylinder with multiple-sealing effect |
| CN207921011U (en) * | 2018-01-19 | 2018-09-28 | 东莞市新鹏自动化科技有限公司 | A kind of floating type unidirectional double-rod cylinder |
| CN207830271U (en) * | 2018-01-23 | 2018-09-07 | 常德迪格机械制造有限公司 | A kind of noise-reduction type hydraulic cylinder assembly with shock-absorbing function |
| CN207935441U (en) * | 2018-01-30 | 2018-10-02 | 河南雅利安新材料有限公司 | A kind of light-duty water process mechanical sealing device of silicon carbide |
| CN109057982A (en) * | 2018-10-08 | 2018-12-21 | 扬州海峰机械有限公司 | A kind of gasoline engine cylinder sleeve of good airproof performance |
| CN110410382A (en) * | 2019-07-22 | 2019-11-05 | 徐州永佳液压设备有限公司 | A kind of hydraulic cylinder with damping performance |
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Application publication date: 20210108 |